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ILL – Collections Analysis Project Underway

by lener, posted on January 3, 2014

As part of our regular collection analysis, we are also incorporating more interlibrary loan data into the mix.  In addition to looking at the serials usage and cost data for current subscriptions, Mary Lucado and I are looking at the journals most often requested through ILL.  The list contains over 400 titles that have had articles requested more than 5 times from July 2010 through November 2013. (Below is a list of the Top 50 most requested titles, some of which we have already recently subscribed).   With the help of intern Brooke Williams, we’ll then look up current subscription costs, publisher names, and determine if and when we have ever had a subscription to that particular journal.  From that point, we will determine whether it’s less expensive to continue to borrow the journal through ILL versus subscribing to the journal. We’ll also determine whether a significant portion of the most requested titles are coming from the same publisher, and, if so, perhaps a package should be considered. Other factors will be considered as data becomes available.

Example: Let’s consider the journal “International Journal of Remote Sensing,” which was borrowed 21 times since July 2010. A rough average cost to borrow an article is about $25.

Computing the ILL cost:  21 (article requests, or use)   X $25 (average cost to borrow)  = $525 (for 3 year period)

This might sound like a good candidate for  a current subscription, but further investigation reveals that this Taylor & Francis titles costs $10,490 for an annual subscription.

Computing 3 year subscription cost: $10,490 + 11,015* + 11,565* = $33,070

*Adjusted for 5% inflation

How long does it take to get an article through ILL?  November’s statistics tell us that 87% of article requests are filled within minutes to 1 week, and nearly 60% of those are filled within 24 hours.

TOP 50 REQUESTED JOURNALS THROUGH INTERLIBRARY LOAN

Journal Name

Number of Requests

International psychogeriatrics

108

Journal of elder abuse & neglect

107

Journal of college student retention : research, theory & practice.

66

Qualitative health research.

66

Geotechnical Special Publication

64

Journal of hydraulic research. Journal de recherches hydrauliques.

60

The journal of hand surgery : journal of the British Society for Surgery of the Hand.

60

Spine.

57

Methods in molecular biology.

52

Journal of school leadership.

48

Aging & mental health.

44

British journal of sports medicine

44

Journal of aggression, maltreatment & trauma.

44

Journal of gerontological social work.

44

Tissue engineering.

44

Health promotion practice.

41

Quality in higher education.

39

Dementia the international journal of social research and practice.

38

Educational policy.

36

Obesity research.

34

Public health nutrition

34

Journal of education for students placed at risk.

33

Journal of psychology and theology.

33

Journal of GLBT family studies.

31

Journal of telemedicine and telecare

30

Intervention in school and clinic.

29

Journal of physical activity & health.

29

Sociology compass

29

Journal of LGBT Issues in counseling.

27

Nature protocols

26

Ferroelectrics.

25

Field methods.

25

International journal of sports science & coaching.

25

The Journal of staff development.

25

Clinics in sports medicine.

24

Modern hospital.

24

Partner abuse

24

ATW : Internationale Zeitschrift fu¨r Kernenergie.

23

Current topics in medicinal chemistry

23

Journal of consciousness studies : controversies in science & the humanities.

23

International journal of technology management = Journal international de la gestion technologique.

22

Journal of couple & relationship therapy.

22

Journal of positive behavior interventions.

22

Social work in health care.

22

The British journal of nutrition.

22

Apidologie.

21

Current medicinal chemistry

21